Win32/Kryptik.GHHG

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Kryptik.GHHG infection?

In this short article you will discover about the definition of Win32/Kryptik.GHHG as well as its unfavorable influence on your computer system. Such ransomware are a type of malware that is clarified by online scams to demand paying the ransom money by a sufferer.

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Most of the situations, Win32/Kryptik.GHHG ransomware will instruct its sufferers to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the victim’s gadget.

Win32/Kryptik.GHHG Summary

These adjustments can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s hard disk — so the target can no more utilize the information;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Trojan.Ransom.GandCrab.Gen.2
a.tomx.xyz Trojan.Ransom.GandCrab.Gen.2
ipv4bot.whatismyipaddress.com Trojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
carder.bit Trojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
ransomware.bit Trojan.Ransom.GandCrab.Gen.2

Win32/Kryptik.GHHG

One of the most regular channels where Win32/Kryptik.GHHG Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of user winding up on a resource that organizes a malicious software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the target’s computer or avoid the gadget from operating in a proper way – while additionally putting a ransom note that mentions the demand for the sufferers to impact the settlement for the purpose of decrypting the files or restoring the documents system back to the initial condition. In the majority of circumstances, the ransom note will certainly show up when the customer restarts the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.GHHG circulation networks.

In various edges of the world, Win32/Kryptik.GHHG grows by jumps and also bounds. Nonetheless, the ransom notes as well as techniques of extorting the ransom money quantity may differ depending upon certain regional (regional) settings. The ransom notes and also techniques of obtaining the ransom money amount may differ depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having actually detected some unlicensed applications allowed on the victim’s device. The sharp after that requires the customer to pay the ransom.

    Faulty statements concerning prohibited content.

    In countries where software application piracy is less prominent, this method is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.GHHG popup alert might falsely claim to be deriving from a police organization as well as will report having situated kid pornography or various other unlawful information on the tool.

    Win32/Kryptik.GHHG popup alert might falsely declare to be deriving from a law enforcement institution and will certainly report having situated kid porn or various other illegal data on the tool. The alert will similarly consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 9BF1C16D
md5: 506f625452aca942a928eacbc1a6b04e
name: 506F625452ACA942A928EACBC1A6B04E.mlw
sha1: ac06b5a1310338773753c395a495509f77ad5a76
sha256: 4ebd8054930cc3a651c24ed36524ff128f72947720f47cbb9844bddf9120e9de
sha512: 4d11522a52f5048d5610c40e11a7547b8ca5c7b324521142e171f28e66072c8c7ef4d549aa92a051200bd97c68f0e6cebc38345e312c559e7447b8569c5d4695
ssdeep: 3072:5dWkMBTEcDxwwR9m4XMrRiWo8KoHx5G+qs21WG+gDNuODkF2/GtC7Vs5mKK:pMRB9mZRXLxG+uWGpUoFGtCh8K
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GHHG also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
FireEye Generic.mg.506f625452aca942
CAT-QuickHeal Trojan.Cloxer.A06
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.Ransom.GandCrab.Gen.2
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
BitDefenderTheta Gen:NN.ZexaF.34590.lyX@aelGI9mi
Cyren W32/S-94c882be!Eldorado
Symantec Packed.Generic.525
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Avast Win32:Agent-BCHT [Trj]
ClamAV Win.Malware.Generickdz-6725210-0
Kaspersky HEUR:Trojan-Downloader.Win32.Zenlod.gen
Alibaba Trojan:Win32/GandCrypt.d8472cac
NANO-Antivirus Trojan.Win32.GandCrypt.fdemsd
ViRobot Trojan.Win32.GandCrab.Gen.A
AegisLab Trojan.Win32.GandCrypt.tpxY
Rising Trojan.Kryptik!1.B2AC (CLOUD)
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos Mal/Generic-R + Mal/Agent-AUL
Comodo TrojWare.Win32.Magniber.GHYT@7oo2vl
F-Secure Trojan.TR/AD.GandCrab.ownoz
Zillya Trojan.GandCrypt.Win32.286
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.GandCrypt.dw
Avira TR/AD.GandCrab.ownoz
Antiy-AVL Trojan[Ransom]/Win32.GandCrypt
Microsoft Trojan:Win32/GandCrypt.DSK!MTB
Gridinsoft Ransom.Win32.Gandcrab.oa
Arcabit Trojan.Ransom.GandCrab.Gen.2
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
ZoneAlarm HEUR:Trojan-Downloader.Win32.Zenlod.gen
GData Trojan.Ransom.GandCrab.Gen.2
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee Trojan-FPSE!506F625452AC
TACHYON Ransom/W32.GandCrab
VBA32 BScope.Trojan.Encoder
Malwarebytes Generic.Trojan.Malicious.DDS
Panda Trj/Genetic.gen
APEX Malicious
ESET-NOD32 a variant of Win32/Kryptik.GHHG
Tencent Malware.Win32.Gencirc.10b9e73d
Yandex Trojan.GenAsa!yVJiA+rIltQ
MAX malware (ai score=100)
MaxSecure Ransomeware.GandCrypt.Gen
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:Agent-BCHT [Trj]
Cybereason malicious.452aca
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.677

How to remove Win32/Kryptik.GHHG virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

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Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Kryptik.GHHG files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Kryptik.GHHG you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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